Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, ...

You can get vitamin D3 from sun exposure, lichen, and animal sources, such as fish oil and egg yolk. You can get vitamin D2 from plant sources. Your body metabolizes vitamin D2 and D3 differently.

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...